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MODBUS_CLOSE(3) libmodbus Manual MODBUS_CLOSE(3)

NAME

modbus_close - close a Modbus connection

SYNOPSIS

void modbus_close(modbus_t *ctx);

DESCRIPTION

The modbus_close() function shall close the connection established with the backend set in the context.

RETURN VALUE

There is no return value.

EXAMPLE

modbus_t *ctx;
ctx = modbus_new_tcp("127.0.0.1", 502);
if (modbus_connect(ctx) == -1) {
    fprintf(stderr, "Connection failed: %s\n", modbus_strerror(errno));
    modbus_free(ctx);
    return -1;
}
modbus_close(ctx);
modbus_free(ctx);

SEE ALSO

modbus_connect(3)

AUTHORS

The libmodbus documentation was written by Stéphane Raimbault <stephane.raimbault@gmail.com>
02/28/2020 libmodbus v3.1.6